01.07.1899 4, 27, 426
25.06.1900 5, 26, 444
15.09.1904 9, 38, 770
16.04.1905 10, 16, 288
04.02.1906 11, 6, 122
18.02.1906 11, 8, 155
21.01.1908 13, 4, 87
18.08.1912 17, 34, 994
29.09.1912 17, 40, 1162
21.01.1915 20, 4, 55
23.09.1918 23, 39, 741
29.04.1919 24, 18, 379
25.08.1920 25, 35, 863
Helgoland-Sansibar-Vertrag 1890